2 Level 4 monsters
While this card has a material attached that was originally WATER, all WATER monsters you control gain 500 ATK. Once per turn (Quick Effect): You can detach 1 material from this card; your opponent cannot activate any card effects in their GY this turn.
![Abyss Dweller (Quarter Century Secret Rare) [RA02-EN033] Quarter Century Secret Rare](http://paradoxtcg.com/cdn/shop/files/ygo_placeholder_20c77a6f-bced-4f23-be96-abb4bbbb8aa5.png?v=1717717427&width=1445)
